Twitter

5 Ways to use Twitter’s new language targeting – last week Twitter announced language targeting, which allows advertisers to target Promoted Tweets and Promoted Accounts in 20 languages that their audiences understand (Simply Measured)

Tumblr

Tumblr’s mobile apps finally get full-on customization tools – Tumblr released an update to its mobile app allowing users to edit blogs via mobile, as well as change colors, images or pretty much anything else users can change on desktop; choosing a color will even change how the interface looks on others’ devices (Engadget)